释义 |
DilationAn Affine Transformation in which the scale is reduced. A dilation is also known as a Contraction orHomothecy. Any dilation which is not a simple translation has a unique Fixed Point. The opposite of adilation is an Expansion. See also Affine Transformation, Expansion, Homothecy References
Coxeter, H. S. M. and Greitzer, S. L. Geometry Revisited. Washington, DC: Math. Assoc. Amer., pp. 94-95, 1967. |